Boiler Blowdown Valves | Boiler Supplies Yarway Cast Iron, Steel Valves & Parts Yarway Blowdown Valves 300lb Cast Steel Slow Opening
The Yarway 3486R Angle Blowdown Valve features an angled design, ideal for installations with tight piping layouts. It uses a sliding plunger sealed by packing rings and supported by compression springs, ensuring reliable performance at high pressures (up to 490 psi). With a long-stroke plunger and double inlet ports, it offers superior protection against sediment buildup and maintains efficient flow.
| Model # | Part # | Size | Description |
Pressure Rating Class |
# of Bolt Holes |
Pressure Rating Blow-Off (max. psig) |
Price | Qty | |
|---|---|---|---|---|---|---|---|---|---|
| 3486R | 923615-02 | 1" |
Angle 300 lb Blowdown Valve |
300 | 4 BH | 490 | $7,538.46 | Add to Cart | |
| 3486R | 923615-05 | 1 1/4" |
Angle 300 lb Blowdown Valve |
300 | 4 BH | 490 | $8,353.85 | Add to Cart | |
| 3486R | 958614-02 | 1 1/2" |
Angle 300 lb Blowdown Valve |
300 | 4 BH | 490 | $9,286.15 | Add to Cart | |
| 3486R | 958616-02 | 2" |
Angle 300 lb Blowdown Valve |
300 | 8 BH | 490 | $11,127.69 | Add to Cart | |
| 3486R | 923505-02 | 2 1/2" |
Angle 300 lb Blowdown Valve |
300 | 8 BH | 490 | $13,169.23 | Add to Cart |
The Yarway 3488R Straightway Blowdown Valve provides a direct flow path for optimal performance in straightforward pipeline systems. This valve also uses a sliding plunger with packing rings and compression springs to prevent leaks, and its long-stroke plunger ensures packing protection. Rated for up to 490 psi, it delivers durable, efficient blowdown service in simple, direct installations.
| Model # | Part # | Size | Description |
Pressure Rating Class |
# of Bolt Holes |
Pressure Rating Blow-Off (max. psig) |
Price | Qty | |
|---|---|---|---|---|---|---|---|---|---|
| 3488R | 923615-03 | 1" |
Straightway 300 lb Blowdown Valve |
300 | 4BH | 490 | $7,538.46 | Add to Cart | |
| 3488R | 923615-08 | 1 1/4" |
Straightway 300 lb Blowdown Valve |
300 | 4BH | 490 | $8,353.85 | Add to Cart | |
| 3488R | 958614-05 | 1 1/2" |
Straightway 300 lb Blowdown Valve |
300 | 4BH | 490 | $9,286.15 | Add to Cart | |
| 3488R | 958616-05 | 2" |
Straightway 300 lb Blowdown Valve |
300 | 8BH | 490 | $11,127.69 | Add to Cart | |
| 3488R | 923505-05 | 2 1/2" |
Straightway 300 lb Blowdown Valve |
300 | 8BH | 490 | $13,169.23 | Add to Cart |
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